Home / 15,141,321.60-22,680,489.60-12,621,897.60

Finding the Fourth Proportional to 15,141,321.60, 22,680,489.60 and 12,621,897.60

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Solution

The fourth proportional to 15,141,321.60, 22,680,489.60 and 12,621,897.60 is: 18,906,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,321.60 : 22,680,489.60 = 12,621,897.60 : x
  2. Step 2: Convert to fraction form
    15,141,321.60/22,680,489.60 = 12,621,897.60/x
  3. Step 3: Cross multiply
    15,141,321.60x = 22,680,489.60 × 12,621,897.60
  4. Step 4: Simplify right side
    15,141,321.60x = 286,270,817,249,065
  5. Step 5: Solve for x
    x = 286,270,817,249,065/15,141,321.60
  6. Step 6: Final answer
    x = 18,906,593.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.